The Frostline wellies feature a unique Insu-foam technology and 5.0 thermal protection in temperatures as low as -10°C. Underneath is an under foot chassis and Nitrocell insulation for additional cushioning and warmth.Featuring a Trax sole pattern and a prominent heel for improved grip and friction on slippery ground, as well as a 2mm thick rubber layer on the lower calf area which protects from scratches and scrapes.Mens Frostline Wellington Boots100% WaterproofInsu-foam Technology lining5.0 Thermal protection up to -10°CUnder-foot ChassisNitrocell insulationCalf-lengthColour: Green